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Home >> Hummer >> 2008 >> H3 Adventure, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Power Brake Booster Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Power Brake Booster Pump Bolts
    GM1699163Courtesy of GENERAL MOTORS CORP.
  1. Install the dampers (5) and (6), if removed.
  2. Install the mounting bracket (4) on the power brake booster pump (2).
  3. Install a NEW retainer ring (3).
  4. Install the power brake booster pump.
    5. NOTE: Refer to Fastener Notice .
  5. Install the power brake booster pump bolts (1).

    Tighten:  Tighten the bolts to 8 N.m (71 lb in).

    6. Fig 2: Power Brake Booster Pump Motor, Wires & Retainers
    GM1688220Courtesy of GENERAL MOTORS CORP.
  6. Install the red positive wire (4).
  7. Install the black negative wire (3).
  8. Install the power brake booster pump motor wire retaining screws (2).

    Tighten:  Tighten the screws to 3 N.m (27 lb in).

  9. Install the plugs (1).
  10. Install the power brake booster outlet front pipe. Refer to Power Brake Booster Outlet Front Pipe Replacement .
  11. Install the power brake booster inlet hose. Refer to Power Brake Booster Inlet Hose Replacement .
  12. Install the hydraulic brake booster accumulator (1). Refer to Power Brake Booster Pump Fluid Accumulator Replacement (with RPO BRM)  or Power Brake Booster Pump Fluid Accumulator Replacement (without RPO BRM) .
  13. Remove the CH-47830  from the master cylinder assembly.
  14. Install the brake master cylinder and power brake booster assembly. Refer to Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement (LHD) or Brake Master Cylinder with Power Brake Booster and Chassis Control Module Replacement (RHD) .
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